EPSG:CODE

Johnston Island 1961 to WGS 84 (1)

EPSG:4725 → EPSG:4326

Coordinate Reference Systems

Source CRS
EPSG:4725
Johnston Island 1961
Geographic 2D
Target CRS
EPSG:4326
WGS 84
Geographic 2D

Transform Coordinates

Remarks

Derived at 2 satellite stations. Accuracy +/- 25m in each axis. Note: NGA online html files carry a different dZ value - OGP believe this is an erroneous transcription from the TR8350.2 line above.

Frequently Asked Questions

How do I convert Johnston Island 1961 to WGS 84 coordinates?

Use the coordinate transformation tool above to convert Johnston Island 1961 (EPSG:4725) to WGS 84 (EPSG:4326). Enter your source coordinates and click Transform. This uses the Geocentric translations (geog2D domain) method with 44m accuracy.

How do I transform Johnston Island 1961 to WGS 84 using Proj4js?

Use proj4.defs to define both EPSG:4725 and EPSG:4326, then call proj4(source, target, [x, y]) to convert coordinates programmatically.

What is the accuracy of the Johnston Island 1961 to WGS 84 transformation?

This transformation (EPSG:15809) has an accuracy of 44m using the Geocentric translations (geog2D domain) method. Area of use: Johnston Island.